- In Cohort A starting at dose level 1, AZD1775 will be administered orally, BID, for 5 doses (D1-3) during each cycle. Starting at dose level 2 and onwards, AZD1775 will be administered orally, BID, for 5 doses for the first 2 weeks of each cycle (D1-3 and 8- 10). Each cycle is 21 days (+/- 1 day for scheduling).